CVE-2023-3964

mediumpriority · track · 17OT risk · elevatedEPSS 0.005 · 42 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.49% (42nd) EPSS

CVSS 4.3 · medium

Is it mine?

16 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

An issue has been discovered in GitLab affecting all versions starting from 13.2 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for users to access composer packages on public projects that have package registry disabled in the project settings.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · cve@gitlab.comexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863US

affected products (16)

Products and version ranges known to be affected.

Open Source GitLab <16.4.3all versionscert_bundDE
Open Source GitLab <16.5.3all versionscert_bundDE
Open Source GitLab <16.6.1all versionscert_bundDE
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Open Source GitLab< 16.4.3cert_bundDE
Open Source GitLab< 16.5.3cert_bundDE
Open Source GitLab< 16.6.1cert_bundDE
GitLab GitLab13.2 → 16.4.3enisa_euvdEU
GitLab GitLab16.5 → 16.5.3enisa_euvdEU
GitLab GitLab16.6 → 16.6.1enisa_euvdEU
gitlab gitlab13.2.0 → 16.4.3nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab16.5.0 → 16.5.3nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 16.6.0nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab13.2.0 → 16.4.3osvUSpkg:bitnami/gitlab
Bitnami gitlab16.5.0 → 16.5.3osvUSpkg:bitnami/gitlab
Bitnami gitlab16.6.0 → 16.6.1osvUSpkg:bitnami/gitlab

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3041GitLab: Mehrere SchwachstellenDeutsch2023-11-30csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen offenzulegen, Dateien zu manipulieren, seine Berechtigungen zu erweitern oder XSS-Angriffe durchzuführen.
BIT-gitlab-2023-3964Incorrect Authorization in GitLab2024-03-06vendor · osvUS
An issue has been discovered in GitLab affecting all versions starting from 13.2 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for users to access composer packages on public projects that have package registry disabled in the project settings.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2023-12-01modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

https://gitlab.com/gitlab-org/gitlab/-/issues/419857 cnnvd
https://hackerone.com/reports/2037316 cnnvd
https://vigilance.fr/vulnerability/GitLab-CE-EE-multiple-vulnerabilities-42997 cnnvd
https://gitlab.com/gitlab-org/gitlab/-/issues/419857 enisa_euvd
https://hackerone.com/reports/2037316 enisa_euvd
https://gitlab.com/gitlab-org/gitlab/-/issues/419857Broken LinkVendor Advisorynvd
https://hackerone.com/reports/2037316Permissions RequiredThird Party Advisorynvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan